Re: Integration Methods in PARI

[Bill Allombert <Bill.Allombert@math.u-bordeaux.fr>]

On Mon, Mar 19, 2018 at 10:59:22AM +0100, kevin lucas wrote:
> >
> > It depends on the meaning of 'such'.
> 
> I should have been clearer. The PARI manual shows how to integrate the
> product of a sine or cosine and a non-oscillating function. I was asking
> about functions that could not be expressed in this way, such as a Bessel
> function.

You can express Bessel functions as Fourier series, see for example
https://math.stackexchange.com/questions/78316/fourier-transform-of-bessel-functions

Cheers,
Bill.